Association between daily haemodialysis, access to renal transplantation and patients' survival in France

Abstract : Aim: Daily haemodialysis improves patients' quality of life and blood purification, but its effect on survival remains controversial. The aim of this study was to analyze the association between daily haemodialysis and renal transplantation and survival in France. Methods: This was an observational cohort study based on the French REIN registry. All incident patients 18 years old who started daily haemodialysis in France between 2003 and 2012 were included. Using a propensity score, 575 patients on daily haemodialysis were matched with 1696 patients receiving thrice-weekly haemodialysis. Survival analysis was performed using the Cox model. Access to the renal transplant waiting list and renal transplantation were analyzed using the Fine and Gray model. Results: Daily haemodialysis was not independently associated with reduced access to transplant waiting list, whereas, major comorbidities remained associated with restricted waitlisting after multivariate analysis adjusted for confounding factors. After being waitlisted, the cumulative incidence of renal transplantation was lower for the daily haemodialysis than for the thrice-weekly haemodialysis group (SHR=0.72, 95%CI 0.56-0.91). The risk of death was significantly higher in the daily haemodialysis group (HRadjusted=1.58, 95%CI 1.4-1.8). Major comorbidities were associated with higher risk of death and lower likelihood of receiving a renal transplant during the follow-up period. Conclusion: Our study showed that in France, the likelihood of undergoing renal transplantation after being waitlisted was lower for patients on daily haemodialysis than those on thrice-weekly haemodialysis. Moreover, daily haemodialysis was associated with higher risk of death, even after taking into account age and all major comorbidities.
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Adélaide Pladys, Cécile Vigneau, Maryvonne Hourmant, Gabrielle Duneau, Cécile Couchoud, et al.. Association between daily haemodialysis, access to renal transplantation and patients' survival in France. Nephrology, Wiley, 2018, 23 (3), pp.269-278. ⟨10.1111/nep.12974⟩. ⟨hal-01730200⟩

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